Grass shears



FIG. 1 is a right side perspective view taken from the front of a grass shears showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a grass shears, as shown and described. 